document.querySelector("#but1").addEventListener("click",v=>{
	let ele=document.querySelector("#target")
	 ele.innerHTML=parseInt(ele.innerHTML)+1 
})
document.querySelector("#but2").addEventListener("click",v=>{
	let ele=document.querySelector("#target")
	 ele.innerHTML=parseInt(ele.innerHTML)-1 
})





let ele = document.querySelector("img")
ele.style.width="600px"
ele.style.height="500px"
ele.src="//img30.360buyimg.com/pop/s590x470_jfs/t1/93973/27/37836/99196/6459b114F7ca5b000/80a89e0ef91c5bf5.jpg.webp"

arr=[]
arr.push("https://imgcps.jd.com/ling-cubic/ling4/lab/amZzL3QxLzE4MzM3Mi8xMy8xMjcwMi80MDY4NzcvNjBlMmExZTJFN2FkZGFkMzUvNDQ4MDhiYmEzNGM0MzRjZC5wbmc/5Lqs6YCJ5aW96LSn/5L2g5YC85b6X5oul5pyJ/1635188467440111618/cr/s/q.jpg")

arr.push("https://imgcps.jd.com/ling-cubic/ling4/lab/amZzL3QxLzMyNTU3LzEwLzk1MjMvMTI3ODQ3LzVjYTZjYzkxRWQxZDk4ODliLzdhZDBlYmIxOWJlMWI1YTEucG5n/5Lqs6YCJ5aW96LSn/5L2g5YC85b6X5oul5pyJ/1635183047968657409/cr/s/q.jpg")
arr.push("https://imgcps.jd.com/ling-cubic/ling4/lab/amZzL3QxLzIwNTc5OC8zMS8yNjQzOS8xMDYzODAvNjMxOTI2YWFFMWZhNWEwZWIvNjBhNjAzNmU0NTZhYjNmYi5wbmc/5Lqs6YCJ5aW96LSn/5L2g5YC85b6X5oul5pyJ/1635183047968657409/cr/s/q.jpg")

// for (var i = 0; i < 3; i++) {
// 	if(i==1){ele.src=}
// }


